On Wed, Aug 14, 2024 at 04:49:05PM +0000, Ruhl, Michael J wrote: > > From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > Sent: Wednesday, August 14, 2024 9:56 AM > > On Tue, Aug 13, 2024 at 02:29:27PM +0000, Ruhl, Michael J wrote: > > > > From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > > > Sent: Tuesday, August 13, 2024 10:11 AM On Mon, Aug 12, 2024 at > > > > 04:04:22PM -0400, Michael J. Ruhl wrote: ... > > > > > +#define BMG_DEVICE_ID 0xE2F8 > > > > > > > > Is this defined in any specification? I mean is the format the same > > > > as PCI device ID? > > > > > > I think that this is defined in BMG PMT yaml definition. It is > > > provide in the PMT discovery data, so it is defined by the specific device. > > > > Is there any documentation / specification about this? > > Can it be UUID or 64-bit number or other format? > > _Where_ is this being specified? > > The GUID is defined by the YAML file associated with the PMT device. In this > case 16 bits are a device ID. > > From the cover letter of the PMT patch set (Intel Platform Monitoring Technology): > > - > The GUID uniquely identifies the register space of any monitor data exposed > by the capability. The GUID is associated with an XML file from the vendor > that describes the mapping of the register space along with properties of the > monitor data. > -- > > I was told that this was the value to use for this specific device/feature. > > It is specified internally. Not sure if there is any "documentation" available beyond > that. The YAML is *not* the specification. Do we have one that I can access to? And I asked not about GUID, I asked about ID. -- With Best Regards, Andy Shevchenko
